\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Error Structure Table table\label{B1\_cube}}
\begin{tabular}{l*{6}{c}}
\hline\hline
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
            &\multicolumn{1}{c}{B1bin\_log\_csd}&\multicolumn{1}{c}{B1bin\_ihs\_csd}&\multicolumn{1}{c}{B1robust\_log\_csd}&\multicolumn{1}{c}{B1robust\_ihs\_csd}&\multicolumn{1}{c}{B1double\_log\_csd}&\multicolumn{1}{c}{B1double\_ihs\_csd}\\
\hline
1.bunch\_W1  &       3.246***&       3.423***&       3.246***&       3.423***&       3.246***&       3.423***\\
            &     (0.595)   &     (0.631)   &     (0.106)   &     (0.113)   &     (0.654)   &     (0.698)   \\
eei\_bin     &      -0.808*  &      -0.818*  &      -0.808***&      -0.818***&      -0.808** &      -0.818** \\
            &     (0.430)   &     (0.464)   &     (0.124)   &     (0.134)   &     (0.234)   &     (0.252)   \\
eei\_2       &       0.035***&       0.036** &       0.035***&       0.036***&       0.035***&       0.036***\\
            &     (0.013)   &     (0.014)   &     (0.004)   &     (0.004)   &     (0.007)   &     (0.008)   \\
eei\_3       &      -0.000***&      -0.000***&      -0.000***&      -0.000***&      -0.000***&      -0.000***\\
            &     (0.000)   &     (0.000)   &     (0.000)   &     (0.000)   &     (0.000)   &     (0.000)   \\
1bn.ccode   &       0.757   &       1.226   &       0.757   &       1.226   &       0.757   &       1.226   \\
            &     (2.241)   &     (2.484)   &     (1.515)   &     (1.654)   &     (1.162)   &     (1.267)   \\
2.ccode     &       4.886   &       6.153*  &       4.886***&       6.153***&       4.886***&       6.153***\\
            &     (3.151)   &     (3.426)   &     (1.387)   &     (1.505)   &     (0.426)   &     (0.455)   \\
3.ccode     &           .   &           .   &           .   &           .   &           .   &           .   \\
            &           .   &           .   &           .   &           .   &           .   &           .   \\
4.ccode     &       1.971   &       2.961   &       1.971   &       2.961** &       1.971***&       2.961***\\
            &     (3.579)   &     (3.919)   &     (1.347)   &     (1.470)   &     (0.200)   &     (0.203)   \\
5.ccode     &       2.596   &       3.863   &       2.596*  &       3.863***&       2.596***&       3.863***\\
            &     (3.066)   &     (3.331)   &     (1.343)   &     (1.456)   &     (0.337)   &     (0.369)   \\
6.ccode     &       6.129*  &       7.331** &       6.129***&       7.331***&       6.129***&       7.331***\\
            &     (3.131)   &     (3.390)   &     (1.459)   &     (1.574)   &     (0.686)   &     (0.720)   \\
8.ccode     &       2.357   &       3.209   &       2.357*  &       3.209** &       2.357***&       3.209***\\
            &     (3.478)   &     (3.833)   &     (1.388)   &     (1.522)   &     (0.068)   &     (0.091)   \\
\hline
r2          &       0.627   &       0.631   &       0.627   &       0.631   &       0.627   &       0.631   \\
N           &    7644.000   &    7644.000   &    7644.000   &    7644.000   &    7644.000   &    7644.000   \\
\hline\hline
\multicolumn{7}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{7}{l}{\footnotesize * \(p<0.10\), ** \(p<.05\), *** \(p<.01\)}\\
\end{tabular}
\end{table}
